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    Ram MHz off? Cpuz prob?

    Discussion in 'Asus' started by scottschaffter, Aug 10, 2005.

  1. scottschaffter

    scottschaffter Notebook Consultant NBR Reviewer

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    Just wanted to check if this was normal. As far as I understand DDR2-4200 was supposed to run @ 533mHz but mine seems to be going @ 266... if this is not normal how could I change it?
    [​IMG]
     
    scottschaffter, Aug 10, 2005
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  2. smilepak

    smilepak Notebook Deity

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    yes, CPU-Z currenlty doesn't have full support of Sonoma
     
    smilepak, Aug 10, 2005
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  3. SRD

    SRD Notebook Virtuoso

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    Its DDR double data rate ram multiply 266 by 2 and you get 532mhz which is correct
     
    SRD, Aug 10, 2005
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  4. flaxx

    flaxx Notebook Evangelist

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    some programs report raw frequency and others report the equivelent frequency. In the case of your RAM it is DDR (double data RAM) so although it's on a 266MHz clock, it's equivelent to 533MHz since it transfers on the upward and downward slope of the clock. So your RAM is running at full speed.

    Your CPU is running on a 133MHz clock with a quad pipe (so 4 bus transfers per clock) which again is equivlent to 533MHz (133x4). However, once again, since CPU-Z reports just raw frequency, you'll notice it says you have a 1:2 FSB :DRAM (133:266) ratio and not a 1:1 (533:533).
     
    flaxx, Aug 10, 2005
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  5. scottschaffter

    scottschaffter Notebook Consultant NBR Reviewer

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    Thx... Are my timings low for this type of ram? 4-4-4-12?
     
    scottschaffter, Aug 11, 2005
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  6. flaxx

    flaxx Notebook Evangelist

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    they're pretty standard. there isn't any performance DDR2 that I know of (with CAS 3 or lower with PC4200). But goto the following link and see if you can get your timings to as low as 4-2-2-4. It won't make that much of a difference (the biggest change is in your CAS latency, which is the first digit, i.e. 4) but it's worth a shot if you're really picky about tweaking your machine.

    http://z71forums.com/viewtopic.php?t=13&highlight=timing
     
    flaxx, Aug 11, 2005
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  7. scottschaffter

    scottschaffter Notebook Consultant NBR Reviewer

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    smilepak mentioned at the end of that that it might have no effect on superpi etc... what would be the adv to doing this? Faster gaming? Loading etc... ? I guess right? What are the disadvantages? Could I harm the hardware in anyway? Or is it similar to undervolting where you just have to wory about bsods / not responding and crashing? Thx for the advice :D

    EDIT: tried it a bit... dunno if its as a result of it.. but now some wierd black screen starts up with windows (the last thing on boot sequence...) hasnt happened before but i dunno if its linked to ram timings... doubt it as its back 2 normal but it is still coming... odd... any ideas...
     
    scottschaffter, Aug 11, 2005
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